v3.22.2.2
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Capital Pending Acceptance (Details) - USD ($)
Jun. 30, 2022
Jun. 30, 2021
Capital Pending Acceptance [Abstract]
Capital pending acceptance
$ 85,000
$ 0
X
- Definition
Amount of capital pending acceptance.
+ References
No definition available.
+ Details
Name:
mrc_CapitalPendingAcceptance
Namespace Prefix:
mrc_
Data Type:
xbrli:monetaryItemType
Balance Type:
credit
Period Type:
instant
X
- References
No definition available.
+ Details
Name:
mrc_CapitalPendingAcceptanceAbstract
Namespace Prefix:
mrc_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration